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Salary
$57k – $151k per year (Estimated)
Location
In office (Ireland)
Seniority
Intern
Employment
Internship
Overview
Company
Impact
Profile match
Merck & Co. is an American pharmaceutical company founded in 1891 as the United States arm of the German firm Merck and made independent after the First World War, trading as MSD outside the United States and Canada. Its portfolio is dominated by the immuno-oncology drug Keytruda, alongside vaccines such as Gardasil and Vaxneuvance, hospital acute care products, and a large animal health business covering livestock and companion animals. The company is headquartered in Rahway, New Jersey, listed on the New York Stock Exchange, and spends a very large share of revenue on research into oncology, infectious disease and cardiometabolic therapies.

Job Description

Plant Engineering Intern

Reports to: Plant Engineering Lead

Role Purpose

As a Plant Engineering Intern, you will work as part of the Plant Engineering team supporting the operation, maintenance and continuous improvement of a world-class biopharmaceutical manufacturing facility. You will gain hands-on experience across engineering, maintenance, utilities and reliability activities while contributing to site objectives, operational excellence and patient supply.

Key Responsibilities

  • Support day-to-day Plant Engineering operations in accordance with Quality, Compliance and EHS requirements.
  • Assist in the monitoring, trending and analysis of engineering and maintenance performance metrics.
  • Contribute to continuous improvement initiatives focused on reliability, efficiency and equipment performance.
  • Support engineering projects from planning through execution and close-out.
  • Assist with investigations, change controls, CAPAs and technical documentation activities.
  • Support the development and implementation of engineering procedures and industry best practices.
  • Identify opportunities to improve equipment uptime, reliability and operational performance.
  • Collaborate effectively with Operations, Quality, Maintenance, Utilities and other cross-functional site teams.
  • Present project updates and recommendations to engineering and site stakeholders.

What You'll Gain

  • Exposure to a highly regulated biopharmaceutical manufacturing environment.
  • Experience with engineering systems, maintenance processes and reliability practices.
  • Opportunities to lead and deliver meaningful improvement projects.
  • Mentoring and support from experienced engineering professionals.
  • Development of technical, problem-solving and communication skills in a collaborative team environment.

Candidate Requirements

  • Currently studying for a degree in Mechanical, Electrical, Chemical, Process, Manufacturing, Automation or a related Engineering discipline.
  • Strong technical aptitude and analytical problem-solving skills.
  • Excellent written and verbal communication skills.
  • Ability to manage multiple priorities and work effectively within a team environment.
  • Proficient in Microsoft Office applications.
  • A proactive attitude with a willingness to learn and take ownership of assigned tasks.

Preferred Qualifications

  • Knowledge or exposure to Plant Engineering, Utilities, Maintenance, Reliability or Calibration activities.
  • Understanding of Good Manufacturing Practice (GMP) environments.
  • Interest in biopharmaceutical manufacturing and continuous improvement methodologies.

Additional Information

  • This is a site-based role located at the Dunboyne facility.
  • The successful candidate will work closely with experienced engineering professionals and contribute to projects that directly support manufacturing operations and patient supply.

PQ20

Required Skills:

Analytical Problem Solving, Analytical Problem Solving, Automation Engineering, Biopharmaceutical Industry, Clinical Research, Data Analytics, Database Management, Data Entry, Data Visualization, Document Management, Engineering Practices, GMP Compliance, Good Manufacturing Practices (GMP), Health Economics, Improvement Projects, Microsoft Office, Office Applications, Operational Excellence, Process Improvements, Project Management, Project Management Engineering, Reliability Management, Reporting and Analysis, Systems Engineering, Technical Support {+ 2 more}

Preferred Skills:

Current Employees apply HERE

Current Contingent Workers apply HERE

Search Firm Representatives Please Read Carefully

Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails.

Employee Status:

Intern/Co-op (Fixed Term)

Relocation:

No relocation

VISA Sponsorship:

No

Travel Requirements:

No Travel Required

Flexible Work Arrangements:

Not Applicable

Shift:

Not Indicated

Valid Driving License:

No

Hazardous Material(s):

N/A

Job Posting End Date:

09/16/2026

*A job posting is effective until 11:59:59PM on the day BEFORE the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.

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